The Gloucester Harbour Trustees are responsible for the safety of navigation in the Gloucester Harbour, an area of the Severn Estuary stretching from seaward of the Second Severn Crossing to the weirs at Maisemore and Llantony near Gloucester and the River Wye to Bigsweir Bridge. GHT provides and maintains navigational aids to mark the main channel and provides a pilotage service which is compulsory for larger vessels.

GMD Shipyard is committed to meeting the demands of the customers while providing quality workmanship which supports and promotes prudent environmental and safety principles. With an exceptional team of skilled technicians and dedicated management, GMD Shipyard can serve all of the vessel needs from routine maintenance to conversions to emergency dry-dockings.

GPS Marine based in Upnor, Kent (UK) is proud to have a tradition of over 50 years of service in the maritime industry. Throughout the years GPS Marine has expanded its activities.

The Great Lakes Group is a full-service marine transportation organisation made up of a 'group' of diversified marine-related companies operating on the Great Lakes. The companies provide transportation, logistics, new construction, fabrication, repair, and line-handling services across the Great Lakes.

At Griffon Hoverwork, they design and manufacture hovercraft of varying payloads and application requirements. Their crafts can be offered in differing configurations to suit varied requirements. They offer outstanding expertise in naval architecture, aerodynamics and regulatory compliance engineering, combined with genuine practical shipbuilding experience.

At GS Marine, all of the products they sell are certified products. They provide services in all ports and shipyards within Turkey and globally. Their main areas of activity include technical materials, ship supply, spare parts, spare parts maintenance and installation, provisions, publications, electrical materials, daily living products, etc. They are both supplier and manufacturer. They can supply by air, sea and land.

GTT is a pioneering engineering company in containment systems for the shipping and storage in cryogenic conditions of LNG (liquefied natural gas), GTT offers engineering, consultancy, training, maintenance support, and technical design services. Approved by pioneering classification societies, its technologies are underpinned by a substantial return of experience over many decades.

The Hadley Shipping Group Ltd operates as one of the few remaining family-controlled British shipping companies. The Company has navigated through often volatile and unpredictable markets with a legacy of prudent and responsible investment to prove credible growth and continued expansion.

Hamble Marine Ltd is one of the UK’s suppliers of Marine Electronics to the leisure boat owner. They are a major Garmin supplier (FishFinders, ChartPlotters & Transducers etc) and the largest independent importer of Banten antennas (Marine VHF and Boat TV aerials).

HAV Shipping AS is a Norwegian limited holding company focusing on Short Sea shipping. HAV Ship Management NoRus AS is established to deliver ship/crew management and support services to the HAV Group and its business partners. HAV Ship Management NorRus' main focus is the sea–river segment. These vessels require efficient and well-organised maintenance due to North Sea voyage conditions, frequent port calls and diversity of bulk/project cargoes.

Havenstar marina management software is ideal for a whole range of marinas, from small harbors to businesses that manage a whole range of tasks in marinas across several different locations.

Hawthorne Cat is the authorised dealer for Cat construction and power equipment in San Diego, Hawaii, Guam, Saipan and American Samoa. Hawthorne sells, rents, provides parts and service, training and emission solutions to various industries including general building construction, landscaping, marine, paving and power generation.

Hays Ships owns and operates a small fleet of survey, research, and patrol vessels for a wide variety of clients. With over forty five years of history as a specialist vessel provider, the company has unique experience to offer clients which augments the capabilities of the vessels. Hays Ships vessels are highly targeted to meet client requirements but are typically in the 50 to 100m range with Dynamic Positioning (DP) systems.

Heinen & Hopman Engineering was founded in 1965 as a family business by Melis Heinen and Cees Hopman. Heinen & Hopman Engineering provide world-class quality and service in air conditioning, ventilation, central heating, refrigeration and mechanical ventilation, and have supplied over 10,000 vessels worldwide. Whatever the environment in which the vessels we supply will be sailing, our knowledge and expertise ensures the most suitable indoor.

Hellenika LLC. is a Black Sea company specializing in dry docking services, ship repair, and maintenance. With 25 years of experience, they offer onboard ship repair services worldwide, handled by skilled teams of mechanics, welders, electricians, and more. Their comprehensive services include mechanical repairs, steelwork, welding, piping, electrical work, cleaning, painting, and ballast water treatment system installation.

HEC provides marine consulting and software development services to shipowners, operators, charterers, shipyards, and government agencies. The primary area of expertise is in the conceptual, preliminary, and contract design of commercial vessels. HEC has extensive experience in new buildings and conversions of containerships, break-bulk carriers, ro-ro’s, and tankers.

HFW is a global law firm in the aerospace, commodities, construction, energy, insurance, and shipping sectors.

Hi-Sea Marine is located in the largest industrial city – Chongqing, China. They are the earliest professional manufacturer and exporter of marine equipment and offshore Equipment in China since 1996.

HiDef carry out and present data from aerial wildlife surveys to ensure sustainable developments, such as wind farms, consider the natural environment, both on land and at sea, providing full environmental consultancy to companies throughout their project.

Hindle Reman is a division of Hindle Group Ltd. We remanufacture engine components and wear parts for customers in a wide range of industries, including power generation, waste management, oil and gas, construction, rail, marine, defence and many more.

Based on Anglesey North Wales, Holyhead Marine build, re-fit and repair commercial and military vessels up to 24m in length. Craft are built in GRP, Aluminium and steel and can be configured to meet specific customer requirements.

Honda Heavy Industries Co., Ltd. offer technical solutions for building of oceangoing and domestic vessels and ships. The company has a proud history in shipbuilding and provide a total service for clients, relating to ships and shipping.

Howden is a global provider of mission-critical air and gas handling products. We support customers across a broad and diverse range of industries, enabling their vital processes to achieve environmental and operational compliance and efficiencies including decarbonization of operations.

Hughes Subsea Services brings over 100 years of combined offshore and subsea experience. As an integrated subsea service company, they offer a comprehensive range of services to the Offshore Oil and Gas, Renewable Energy, Telecommunications, Power Generation and Marine Civil Engineering sectors.

Hyphen (Hyphen Hydrogen Energy) is a Namibian registered green hydrogen development company, specifically formed to develop green hydrogen projects in Namibia for international, regional and domestic supply.

Hyundai Merchant Marine Co., Ltd. or HMM operates as an integrated shipping and logistics company. HMM provides cargo transportation services including containers and bulk cargo carriers. The company transports materials such as crude oil, LNG, iron ore/coal and diverse special products as well as import/export goods.

Hyundai Samho Heavy Industries (HSHI) is a South Korea-based shipbuilding company that manufactures the world's best ships featuring state-of-the-art equipment and technology.

At Idwal, motivated by a passion for shipping and technology, driven to provide the best customer experience imaginable, and are committed to delivering a first-class ship inspection service and vessel integrity insights to the global client base. Idwal's executive team drives the business forward with its expertise, knowledge, and attention to detail so that is well-placed to provide for customers every step of the way.

The IMEX Group organises two global trade shows in the meetings and events sector. IMEX Frankfurt has been held since 2002 and was joined in 2011 by IMEX America. Both trade shows offer unprecedented business opportunities combined with a great industry gathering. In partnership with the industry's key associations, their unique model is complemented by extensive free education and networking.

The recognized leader in maritime satellite communication, Intellian is the trusted provider of worldwide connectivity solutions for VSAT and satellite TV systems, using state-of-the-art RF antenna technology. Expanding into the next phase of continuous connectivity, Intellian is empowering satellite communication around the globe to provide access at any time, anywhere, on land, in the air, and at sea.